Global Patent Index - EP 4194680 A1

EP 4194680 A1 20230614 - DETONATION ROCKET ENGINE

Title (en)

DETONATION ROCKET ENGINE

Title (de)

DETONATIONSRAKETENMOTOR

Title (fr)

MOTEUR FUSÉE À DÉTONATION

Publication

EP 4194680 A1 20230614 (EN)

Application

EP 22209079 A 20221123

Priority

PL 43977621 A 20211207

Abstract (en)

Detonation rocket engine comprising an aerospike nozzle (4), an annular detonation chamber (5) connected to the aerospike nozzle (4), and lines (2, 3) for supplying propellant components connected to the detonation chamber (5). The detonation chamber (5) has a bottom (9) connecting an inner wall (10) and an outer wall (11) between which an outlet (6) is formed. At the outlet (6) of the detonation chamber (5) there are at least three evenly distributed centring elements (1) connecting the inner wall (10) and the outer wall (11) of the detonation chamber (5), with cooling channels (7) connected to one of the lines (2, 3) supplying the propellant components to the detonation chamber (5).

IPC 8 full level

F02K 7/02 (2006.01); F02K 9/42 (2006.01); F02K 9/64 (2006.01); F02K 9/97 (2006.01)

CPC (source: EP PL US)

F02K 7/02 (2013.01 - EP PL US); F02K 9/42 (2013.01 - EP PL US); F02K 9/64 (2013.01 - EP PL US); F02K 9/972 (2013.01 - EP PL US); F23R 7/00 (2013.01 - US); F02K 1/52 (2013.01 - US)

Citation (applicant)

Citation (search report)

  • [AD] US 2005284127 A1 20051229 - TOBITA AKIHIRO [JP], et al
  • [A] US 2021164660 A1 20210603 - DYSON THOMAS EARL [US], et al
  • [AD] PL 228311 B1 20180330 - WOJSKOWY INST TECHNIKI INZYNIERYJNEJ IM PROFESORA JOZEFA KOSACKIEGO [PL]
  • [A] WOLANSKI P ED - OUELLET SIMON ET AL: "RDE research and development in Poland", SHOCK WAVES, SPRINGER, HEIDELBERG, DE, vol. 31, no. 7, 1 October 2021 (2021-10-01), pages 623 - 636, XP037648601, ISSN: 0938-1287, [retrieved on 20211028], DOI: 10.1007/S00193-021-01038-2

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4194680 A1 20230614; PL 244504 B1 20240205; PL 439776 A1 20230612; US 11795891 B2 20231024; US 2023175461 A1 20230608

DOCDB simple family (application)

EP 22209079 A 20221123; PL 43977621 A 20211207; US 202218061611 A 20221205